Biogeosciences
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Articles | Volume 21, issue 2
Articles | Volume 21, issue 2
https://doi.org/10.5194/bg-21-455-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/bg-21-455-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 2
Research article
 | 
24 Jan 2024
Research article |  | 24 Jan 2024

Tropical dry forest response to nutrient fertilization: a model validation and sensitivity analysis

Shuyue Li, Bonnie Waring, Jennifer Powers, and David Medvigy

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Short summary
We used an ecosystem model to simulate primary production of a tropical forest subjected to 3 years of nutrient fertilization. Simulations parameterized such that relative allocation to fine roots increased with increasing soil phosphorus had leaf, wood, and fine root production consistent with observations. However, these simulations seemed to over-allocate to fine roots on multidecadal timescales, affecting aboveground biomass. Additional observations across timescales would benefit models.
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